MTL - I Heard that My Fiance is Super Fierce - ~ Chapter 63

On a harsh rainy day, a high school student without any particular special skills, Usato Ken, got dragged into another world summoning with two others; a good-looking guy and a beautiful girl, both of whom he strangely started getting along with just today. As an especially talentless individual that didn’t stand out, he thought that the others would treat him like he was useless. However, they were unexpectedly kind.———“Maybe things will be fine?”Usato who found hope in another world thought that, but the reality was different. He had a certain magic talent hidden within him and he was forced to fall into hell under the name of “training”.

A hundred-year-old ghost who had been haunting the world had become the real daughter of the Stephens family who had some mental problems.As soon as she returned to her family from the village, her fiancé immediately came to break off the engagement and chose her cousin instead.Even his cousin who was adopted to be her parents’ son had also mocked her, “I’m sorry that I have taken your place. In the Stephens family, anyone that cannot contribute will be discarded.”Just when all the other rich families were waiting for the jokes that she would make, those who were perceptive realized that she had changed.She had risen from the bottom of her class to become the top student.Anything she said would become real. Even great scientists, merchants, and martial artists chose to become her follower.Leaders of all the fields: If she’s garbage, then I’m less than garbage. Have you ever seen anyone as good as her ending up as garbage? The Si family must be blind!While she was afraid of being alone, the CEO that loved her introduced her as he stood next to her, “This is my one true love.”

Several hundred thousand players are trapped in a gritty zombie apocalypse survival game just after game launch. There are hints that deaths in the game might be serving some other terrible purpose in the background of reality…

The main character, Liu Gan, is a quadruple amputee in real life. A quirk in the server code recognized his prosthetic limbs as ‘real limbs’ in game, giving him ‘normal’ arms and legs that nonetheless have the strength and power of steel limbs, and thus far more power than a normal player. With this minor cheat helping him survive the early stages of the game, Liu Gan sets out to find out what exactly is going on, and to endure as long as he can.

- Description from Novelupdates

Maid, older sister, younger sister, and even mother, all of them.